Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6054083 | Process for preparation of polytetrafluoroethylene molding powder | Michio Asano, Akira Shimodoh, Tetuo Shimizu, Shiouji Kawachi | 2000-04-25 |
| 5156343 | Process for preparing polytetrafluoroethylene granular powder | Tatsuo Sueyoshi, Toshio Nakashima | 1992-10-20 |
| 4241137 | Process for preparing polytetrafluoroethylene granular powder | Masanori Izumo, Syunichi Nomura | 1980-12-23 |